There are already 42 (!) cloud seeding projects underway in the western United States. Until recently, chemtrails were considered part of a conspiracy theory. Now they are called "cloud seeding" and are being quietly shown on the biggest American television channels. By the way, if you thought everything would be limited to the US, here is for reference: Patent US3813875A. Barium delivery system for creating ion clouds in the upper atmosphere. - Category: Weather patents. - Patent number: US3813875A. - Country: USA. - Appendix: 1972 (worldwide). https://patentimages.storage.googleapis.com/74/03/d0/c6022f5f64f234/US3813875.pdf